- Definitions|2
- Thesaurus|429
- Abbreviations|0
| account(noun, reason, element, matter, source) | |
| adjuvant(noun, yeast, leavening) | |
| advantage | |
| alpha(cause, source, derivation) | |
| ancestor(noun, cause, connection, source, derivation) | |
| ancestry(noun, cause, connection, source, derivation) | |
| anchor(noun, essential, foundation, keystone, kingpin) | |
| arriere pensee(expression, idiom, motive) | |
| axle | |
| bacterium(noun, yeast, leavening) | |
| barm(noun, yeast, leavening) | |
| bedrock(noun, cause, quick, source, origin) | |
| birth(cause, source, derivation) | |
| blast off(expression, cause, source, derivation) | |
| box spring(expression, idiom) | |
| bulls-eye(root, intermediacy) | |
| by end(expression, idiom, motive) | |
| by purpose(expression, idiom, motive) | |
| can hook(expression, idiom, instrument) | |
| case |
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| APA | Smart Define. (2015). mainspring thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/mainspring/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mainspring thesaurus" https://smartdefine.org/mainspring/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, mainspring thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/mainspring/thesaurus/synonyms>. |
| MLA | Smart Define. "mainspring thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/mainspring/thesaurus/synonyms> |